82861373200 has 60 divisors (see below), whose sum is σ = 207729883008. Its totient is φ = 31703478400.

The previous prime is 82861373167. The next prime is 82861373207. The reversal of 82861373200 is 237316828.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (82861373207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4494136 + ... + 4512535.

Almost surely, 2^82861373200 is an apocalyptic number.

82861373200 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

82861373200 is an abundant number, since it is smaller than the sum of its proper divisors (124868509808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82861373200 is a wasteful number, since it uses less digits than its factorization.

82861373200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9006712 (or 9006701 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 82861373200 in words is "eighty-two billion, eight hundred sixty-one million, three hundred seventy-three thousand, two hundred".